TAPCO 16768: The Intrafuse AR-15 handguard is designed to replace your standard carbine length handguard. This handguard is constructed of high-strength composite and is extremely durable and offers a 50% weight reduction over comparable aluminum systems. The Picatinny rails located at 3, 6, 9, and 12 o\'clock enables the shooter to mount tactical accessories of their choosing. Designed as a modular system, this handguard includes covers for both the bottom rail and the side rails so you can configure to suit your needs. Numerous ventilation holes keep your barrel cool under heavy firing.